src/mesa/drivers/common/meta_tex_subimage.c

   1 /*
   2  * Mesa 3-D graphics library
   3  *
   4  * Copyright (C) 2015 Intel Corporation.  All Rights Reserved.
   5  *
   6  * Permission is hereby granted, free of charge, to any person obtaining a
   7  * copy of this software and associated documentation files (the "Software"),
   8  * to deal in the Software without restriction, including without limitation
   9  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  10  * and/or sell copies of the Software, and to permit persons to whom the
  11  * Software is furnished to do so, subject to the following conditions:
  12  *
  13  * The above copyright notice and this permission notice shall be included
  14  * in all copies or substantial portions of the Software.
  15  *
  16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  17  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  19  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
  20  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  21  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  22  * OTHER DEALINGS IN THE SOFTWARE.
  23  *
  24  * Authors:
  25  *    Jason Ekstrand <jason.ekstrand@intel.com>
  26  */
  27
  28 #include "bufferobj.h"
  29 #include "buffers.h"
  30 #include "fbobject.h"
  31 #include "glformats.h"
  32 #include "glheader.h"
  33 #include "image.h"
  34 #include "macros.h"
  35 #include "meta.h"
  36 #include "pbo.h"
  37 #include "shaderapi.h"
  38 #include "state.h"
  39 #include "teximage.h"
  40 #include "texobj.h"
  41 #include "texstate.h"
  42 #include "uniforms.h"
  43 #include "varray.h"
  44
  45 static struct gl_texture_image *
  46 create_texture_for_pbo(struct gl_context *ctx, bool create_pbo,
  47                        GLenum pbo_target, int width, int height,
  48                        GLenum format, GLenum type, const void *pixels,
  49                        const struct gl_pixelstore_attrib *packing,
  50                        GLuint *tmp_pbo, GLuint *tmp_tex)
  51 {
  52    uint32_t pbo_format;
  53    GLenum internal_format;
  54    unsigned row_stride;
  55    struct gl_buffer_object *buffer_obj;
  56    struct gl_texture_object *tex_obj;
  57    struct gl_texture_image *tex_image;
  58    bool read_only;
  59
  60    if (packing->SwapBytes ||
  61        packing->LsbFirst ||
  62        packing->Invert)
  63       return NULL;
  64
  65    pbo_format = _mesa_format_from_format_and_type(format, type);
  66    if (_mesa_format_is_mesa_array_format(pbo_format))
  67       pbo_format = _mesa_format_from_array_format(pbo_format);
  68
  69    if (!pbo_format || !ctx->TextureFormatSupported[pbo_format])
  70       return NULL;
  71
  72    /* Account for SKIP_PIXELS, SKIP_ROWS, ALIGNMENT, and SKIP_IMAGES */
  73    pixels = _mesa_image_address3d(packing, pixels,
  74                                   width, height, format, type, 0, 0, 0);
  75    row_stride = _mesa_image_row_stride(packing, width, format, type);
  76
  77    if (_mesa_is_bufferobj(packing->BufferObj)) {
  78       *tmp_pbo = 0;
  79       buffer_obj = packing->BufferObj;
  80    } else {
  81       bool is_pixel_pack = pbo_target == GL_PIXEL_PACK_BUFFER;
  82
  83       assert(create_pbo);
  84
  85       _mesa_GenBuffers(1, tmp_pbo);
  86
  87       /* We are not doing this inside meta_begin/end.  However, we know the
  88        * client doesn't have the given target bound, so we can go ahead and
  89        * squash it.  We'll set it back when we're done.
  90        */
  91       _mesa_BindBuffer(pbo_target, *tmp_pbo);
  92
  93       /* In case of GL_PIXEL_PACK_BUFFER, pass null pointer for the pixel
  94        * data to avoid unnecessary data copying in _mesa_BufferData().
  95        */
  96       if (is_pixel_pack)
  97          _mesa_BufferData(pbo_target, row_stride * height, NULL,
  98                           GL_STREAM_READ);
  99       else
 100          _mesa_BufferData(pbo_target, row_stride * height, pixels,
 101                           GL_STREAM_DRAW);
 102
 103       buffer_obj = packing->BufferObj;
 104       pixels = NULL;
 105
 106       _mesa_BindBuffer(pbo_target, 0);
 107    }
 108
 109    _mesa_GenTextures(1, tmp_tex);
 110    tex_obj = _mesa_lookup_texture(ctx, *tmp_tex);
 111    _mesa_initialize_texture_object(ctx, tex_obj, *tmp_tex, GL_TEXTURE_2D);
 112    /* This must be set after _mesa_initialize_texture_object, not before. */
 113    tex_obj->Immutable = GL_TRUE;
 114    /* This is required for interactions with ARB_texture_view. */
 115    tex_obj->NumLayers = 1;
 116
 117    internal_format = _mesa_get_format_base_format(pbo_format);
 118
 119    tex_image = _mesa_get_tex_image(ctx, tex_obj, tex_obj->Target, 0);
 120    _mesa_init_teximage_fields(ctx, tex_image, width, height, 1,
 121                               0, internal_format, pbo_format);
 122
 123    read_only = pbo_target == GL_PIXEL_UNPACK_BUFFER;
 124    if (!ctx->Driver.SetTextureStorageForBufferObject(ctx, tex_obj,
 125                                                      buffer_obj,
 126                                                      (intptr_t)pixels,
 127                                                      row_stride,
 128                                                      read_only)) {
 129       _mesa_DeleteTextures(1, tmp_tex);
 130       _mesa_DeleteBuffers(1, tmp_pbo);
 131       return NULL;
 132    }
 133
 134    return tex_image;
 135 }
 136
 137 bool
 138 _mesa_meta_pbo_TexSubImage(struct gl_context *ctx, GLuint dims,
 139                            struct gl_texture_image *tex_image,
 140                            int xoffset, int yoffset, int zoffset,
 141                            int width, int height, int depth,
 142                            GLenum format, GLenum type, const void *pixels,
 143                            bool allocate_storage, bool create_pbo,
 144                            const struct gl_pixelstore_attrib *packing)
 145 {
 146    GLuint pbo = 0, pbo_tex = 0, fbos[2] = { 0, 0 };
 147    int full_height, image_height;
 148    struct gl_texture_image *pbo_tex_image;
 149    GLenum status;
 150    bool success = false;
 151    int z;
 152
 153    /* XXX: This should probably be passed in from somewhere */
 154    const char *where = "_mesa_meta_pbo_TexSubImage";
 155
 156    if (!_mesa_is_bufferobj(packing->BufferObj) && !create_pbo)
 157       return false;
 158
 159    if (format == GL_DEPTH_COMPONENT ||
 160        format == GL_DEPTH_STENCIL ||
 161        format == GL_STENCIL_INDEX ||
 162        format == GL_COLOR_INDEX)
 163       return false;
 164
 165    if (ctx->_ImageTransferState)
 166       return false;
 167
 168    if (!_mesa_validate_pbo_access(dims, packing, width, height, depth,
 169                                   format, type, INT_MAX, pixels)) {
 170       _mesa_error(ctx, GL_INVALID_OPERATION,
 171                   "%s(out of bounds PBO access)", where);
 172       return true;
 173    }
 174
 175    if (_mesa_check_disallowed_mapping(packing->BufferObj)) {
 176       /* buffer is mapped - that's an error */
 177       _mesa_error(ctx, GL_INVALID_OPERATION, "%s(PBO is mapped)", where);
 178       return true;
 179    }
 180
 181    /* For arrays, use a tall (height * depth) 2D texture but taking into
 182     * account the inter-image padding specified with the image height packing
 183     * property.
 184     */
 185    image_height = packing->ImageHeight == 0 ? height : packing->ImageHeight;
 186    full_height = image_height * (depth - 1) + height;
 187
 188    pbo_tex_image = create_texture_for_pbo(ctx, create_pbo,
 189                                           GL_PIXEL_UNPACK_BUFFER,
 190                                           width, full_height,
 191                                           format, type, pixels, packing,
 192                                           &pbo, &pbo_tex);
 193    if (!pbo_tex_image)
 194       return false;
 195
 196    if (allocate_storage)
 197       ctx->Driver.AllocTextureImageBuffer(ctx, tex_image);
 198
 199    _mesa_meta_begin(ctx, ~(MESA_META_PIXEL_TRANSFER |
 200                            MESA_META_PIXEL_STORE));
 201
 202    _mesa_GenFramebuffers(2, fbos);
 203    _mesa_BindFramebuffer(GL_READ_FRAMEBUFFER, fbos[0]);
 204    _mesa_BindFramebuffer(GL_DRAW_FRAMEBUFFER, fbos[1]);
 205
 206    if (tex_image->TexObject->Target == GL_TEXTURE_1D_ARRAY) {
 207       assert(depth == 1);
 208       assert(zoffset == 0);
 209       depth = height;
 210       height = 1;
 211       image_height = 1;
 212       zoffset = yoffset;
 213       yoffset = 0;
 214    }
 215
 216    _mesa_meta_bind_fbo_image(GL_READ_FRAMEBUFFER, GL_COLOR_ATTACHMENT0,
 217                              pbo_tex_image, 0);
 218    /* If this passes on the first layer it should pass on the others */
 219    status = _mesa_CheckFramebufferStatus(GL_READ_FRAMEBUFFER);
 220    if (status != GL_FRAMEBUFFER_COMPLETE)
 221       goto fail;
 222
 223    _mesa_meta_bind_fbo_image(GL_DRAW_FRAMEBUFFER, GL_COLOR_ATTACHMENT0,
 224                              tex_image, zoffset);
 225    /* If this passes on the first layer it should pass on the others */
 226    status = _mesa_CheckFramebufferStatus(GL_DRAW_FRAMEBUFFER);
 227    if (status != GL_FRAMEBUFFER_COMPLETE)
 228       goto fail;
 229
 230    _mesa_update_state(ctx);
 231
 232    if (_mesa_meta_BlitFramebuffer(ctx, ctx->ReadBuffer, ctx->DrawBuffer,
 233                                   0, 0, width, height,
 234                                   xoffset, yoffset,
 235                                   xoffset + width, yoffset + height,
 236                                   GL_COLOR_BUFFER_BIT, GL_NEAREST))
 237       goto fail;
 238
 239    for (z = 1; z < depth; z++) {
 240       _mesa_meta_bind_fbo_image(GL_DRAW_FRAMEBUFFER, GL_COLOR_ATTACHMENT0,
 241                                 tex_image, zoffset + z);
 242
 243       _mesa_update_state(ctx);
 244
 245       _mesa_meta_BlitFramebuffer(ctx, ctx->ReadBuffer, ctx->DrawBuffer,
 246                                  0, z * image_height,
 247                                  width, z * image_height + height,
 248                                  xoffset, yoffset,
 249                                  xoffset + width, yoffset + height,
 250                                  GL_COLOR_BUFFER_BIT, GL_NEAREST);
 251    }
 252
 253    success = true;
 254
 255 fail:
 256    _mesa_DeleteFramebuffers(2, fbos);
 257    _mesa_DeleteTextures(1, &pbo_tex);
 258    _mesa_DeleteBuffers(1, &pbo);
 259
 260    _mesa_meta_end(ctx);
 261
 262    return success;
 263 }
 264
 265 bool
 266 _mesa_meta_pbo_GetTexSubImage(struct gl_context *ctx, GLuint dims,
 267                               struct gl_texture_image *tex_image,
 268                               int xoffset, int yoffset, int zoffset,
 269                               int width, int height, int depth,
 270                               GLenum format, GLenum type, const void *pixels,
 271                               const struct gl_pixelstore_attrib *packing)
 272 {
 273    GLuint pbo = 0, pbo_tex = 0, fbos[2] = { 0, 0 };
 274    int full_height, image_height;
 275    struct gl_texture_image *pbo_tex_image;
 276    GLenum status;
 277    bool success = false;
 278    int z;
 279
 280    /* XXX: This should probably be passed in from somewhere */
 281    const char *where = "_mesa_meta_pbo_GetTexSubImage";
 282
 283    if (!_mesa_is_bufferobj(packing->BufferObj))
 284       return false;
 285
 286    if (format == GL_DEPTH_COMPONENT ||
 287        format == GL_DEPTH_STENCIL ||
 288        format == GL_STENCIL_INDEX ||
 289        format == GL_COLOR_INDEX)
 290       return false;
 291
 292    if (ctx->_ImageTransferState)
 293       return false;
 294
 295    if (!_mesa_validate_pbo_access(dims, packing, width, height, depth,
 296                                   format, type, INT_MAX, pixels)) {
 297       _mesa_error(ctx, GL_INVALID_OPERATION,
 298                   "%s(out of bounds PBO access)", where);
 299       return true;
 300    }
 301
 302    if (_mesa_check_disallowed_mapping(packing->BufferObj)) {
 303       /* buffer is mapped - that's an error */
 304       _mesa_error(ctx, GL_INVALID_OPERATION, "%s(PBO is mapped)", where);
 305       return true;
 306    }
 307
 308    /* For arrays, use a tall (height * depth) 2D texture but taking into
 309     * account the inter-image padding specified with the image height packing
 310     * property.
 311     */
 312    image_height = packing->ImageHeight == 0 ? height : packing->ImageHeight;
 313    full_height = image_height * (depth - 1) + height;
 314
 315    pbo_tex_image = create_texture_for_pbo(ctx, false, GL_PIXEL_PACK_BUFFER,
 316                                           width, full_height * depth,
 317                                           format, type, pixels, packing,
 318                                           &pbo, &pbo_tex);
 319    if (!pbo_tex_image)
 320       return false;
 321
 322    _mesa_meta_begin(ctx, ~(MESA_META_PIXEL_TRANSFER |
 323                            MESA_META_PIXEL_STORE));
 324
 325    _mesa_GenFramebuffers(2, fbos);
 326
 327    if (tex_image && tex_image->TexObject->Target == GL_TEXTURE_1D_ARRAY) {
 328       assert(depth == 1);
 329       assert(zoffset == 0);
 330       depth = height;
 331       height = 1;
 332       image_height = 1;
 333       zoffset = yoffset;
 334       yoffset = 0;
 335    }
 336
 337    /* If we were given a texture, bind it to the read framebuffer.  If not,
 338     * we're doing a ReadPixels and we should just use whatever framebuffer
 339     * the client has bound.
 340     */
 341    if (tex_image) {
 342       _mesa_BindFramebuffer(GL_READ_FRAMEBUFFER, fbos[0]);
 343       _mesa_meta_bind_fbo_image(GL_READ_FRAMEBUFFER, GL_COLOR_ATTACHMENT0,
 344                                 tex_image, zoffset);
 345       /* If this passes on the first layer it should pass on the others */
 346       status = _mesa_CheckFramebufferStatus(GL_READ_FRAMEBUFFER);
 347       if (status != GL_FRAMEBUFFER_COMPLETE)
 348          goto fail;
 349    } else {
 350       assert(depth == 1);
 351    }
 352
 353    _mesa_BindFramebuffer(GL_DRAW_FRAMEBUFFER, fbos[1]);
 354    _mesa_meta_bind_fbo_image(GL_DRAW_FRAMEBUFFER, GL_COLOR_ATTACHMENT0,
 355                              pbo_tex_image, 0);
 356    /* If this passes on the first layer it should pass on the others */
 357    status = _mesa_CheckFramebufferStatus(GL_DRAW_FRAMEBUFFER);
 358    if (status != GL_FRAMEBUFFER_COMPLETE)
 359       goto fail;
 360
 361    _mesa_update_state(ctx);
 362
 363    if (_mesa_meta_BlitFramebuffer(ctx, ctx->ReadBuffer, ctx->DrawBuffer,
 364                                   xoffset, yoffset,
 365                                   xoffset + width, yoffset + height,
 366                                   0, 0, width, height,
 367                                   GL_COLOR_BUFFER_BIT, GL_NEAREST))
 368       goto fail;
 369
 370    for (z = 1; z < depth; z++) {
 371       _mesa_meta_bind_fbo_image(GL_READ_FRAMEBUFFER, GL_COLOR_ATTACHMENT0,
 372                                 tex_image, zoffset + z);
 373
 374       _mesa_update_state(ctx);
 375
 376       _mesa_meta_BlitFramebuffer(ctx, ctx->ReadBuffer, ctx->DrawBuffer,
 377                                  xoffset, yoffset,
 378                                  xoffset + width, yoffset + height,
 379                                  0, z * image_height,
 380                                  width, z * image_height + height,
 381                                  GL_COLOR_BUFFER_BIT, GL_NEAREST);
 382    }
 383
 384    success = true;
 385
 386 fail:
 387    _mesa_DeleteFramebuffers(2, fbos);
 388    _mesa_DeleteTextures(1, &pbo_tex);
 389    _mesa_DeleteBuffers(1, &pbo);
 390
 391    _mesa_meta_end(ctx);
 392
 393    return success;
 394 }